TESTING OF TRANSMITTERS FOR COMMUNICATION LINKS BY SOFTWARE SIMULATION OF REFERENCE CHANNEL AND/OR REFERENCE RECEIVER

TESTING OF TRANSMITTERS FOR COMMUNICATION LINKS BY SOFTWARE SIMULATION OF REFERENCE CHANNEL AND/OR REFERENCE RECEIVER

A transmitter for a communications link is tested by using a (software) simulation of a reference channel and/or a reference receiver to test the transmitter. In one embodiment for optical fiber communications links, a data test pattern is applied to the transmitter under test and the resulting opti...

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Hauptverfasser: ZENG, STEVE, SWENSON, NORMAN, L, LINDSAY, TOM, VOOIS, PAUL
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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creator ZENG, STEVE
SWENSON, NORMAN, L
LINDSAY, TOM
VOOIS, PAUL
description A transmitter for a communications link is tested by using a (software) simulation of a reference channel and/or a reference receiver to test the transmitter. In one embodiment for optical fiber communications links, a data test pattern is applied to the transmitter under test and the resulting optical output is captured, for example by a sampling oscilloscope. The captured waveform is subsequently processed by the software simulation, in order to simulate propagation of the optical signal through the reference channel and/or reference receiver. A performance metric for the transmitter is calculated based on the processed waveform.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
title TESTING OF TRANSMITTERS FOR COMMUNICATION LINKS BY SOFTWARE SIMULATION OF REFERENCE CHANNEL AND/OR REFERENCE RECEIVER
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